16434846773 has 2 divisors, whose sum is σ = 16434846774. Its totient is φ = 16434846772.

The previous prime is 16434846767. The next prime is 16434846809. The reversal of 16434846773 is 37764843461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12264012049 + 4170834724 = 110743^2 + 64582^2 .

It is a cyclic number.

It is not a de Polignac number, because 16434846773 - 2²⁰ = 16433798197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16434846173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8217423386 + 8217423387.

It is an arithmetic number, because the mean of its divisors is an integer number (8217423387).

Almost surely, 2^16434846773 is an apocalyptic number.

It is an amenable number.

16434846773 is a deficient number, since it is larger than the sum of its proper divisors (1).

16434846773 is an equidigital number, since it uses as much as digits as its factorization.

16434846773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 53.

The spelling of 16434846773 in words is "sixteen billion, four hundred thirty-four million, eight hundred forty-six thousand, seven hundred seventy-three".